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Science
Earths crust and resources
Term | Definition |
---|---|
Place based knowledge | A way to explain and predict what happens in nature for a local group |
Theory of plate tectonics | Ocean floor moving away from ridges into deep trenches |
Boundaries | Plates meet |
Plates | small broken up parts of lithosphere |
Diverging | Apart |
Converging | Together t |
Transform | Along side |
Earthquake | Shaking earth caused by sudden break of blocks of rock in crust |
Fault | Crack in earths crust where movement occurs |
Focus | First place rock breaks below surface |
Epicenter | Point on earths surface above the focus |
Seismic waves | Energy waves caused sudden breaking of rocks at the focus |
Minerals | Pure substance forms naturally ex. Quartz mica |
Streak | The coloured line of fine particles minerals levels behind |
Igneous | Hot molten rock |
Sedimentary layers of shells bones | Layers |
Metamorphic intense pressure changed appereanc | Appearance change |
Ores | Mainerals with enough concentration to be mined |
Erosion | Movement of rocks and soil by water wind or ice |
Landslide | Large masses of rock or soil from a slope |
Humus | Decayed organic rock fragments |